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Basic Info.
Packaging & Delivery
Product Description
Are you looking for the HQ lamination silicon steel sheet?
Centersky is the silicon steel sheet producer for the worldwide electric reactor, electromotor, electric generator and transformer manufacturers.
CENTERSKY is a manufacturer who produce single phase / three phase lamination: EI, UI, UT, 3PEI.etc. The thickness can be from 0.23-0.5mm,CRNGO and CRGO from famous steel factory.
Three-phase EI core is made by the silicon steel strip. The models of EI lamination in standard sizes are from 3PEI-17.5 to 3PEI-120.The gap sizes of the transformer lamination core can be customized.
Our high quality silicon steel laminations can be used in different kinds of products, such as transformers, reactors, UPS, ballast resistors, electrical ballast and many other electrical products. Any comments are welcome.
| SIZE | EI-35 to EI-360 3PEI-17.5-3PEI-100 |
| THCIKNESS | 0.23-0.35MM (CRGO) 0.35-0.5MM (CRNGO) |
| MATERIAL | M3, M4, M5, M6 (CRGO) 35W250, 35W300, 35W400 (0.35MM) 50W250, 50W310, 50W400, 50W470, 50W600, 50W800 (0.5MM) |
| FREQUENCY | 50HZ-60HZ |
| COATING | T2 Inorganic ( CRGO ) T4 Semi-organic (CRNGO) |
| PROCESS TECHNOLOGY | ANNEALLING & WITHOUT ANNEALLING |
| APPLICATION | CONTROL TRANSFORMER, AUTO TRANSFORMER, ISOLATION TRANSFORMER, POWER TRANSFORMER; BALLAST, REACTOR,INDUCTOR,INVERTER POWER, VOLTAGE STABILIZERS.etc |
| Type | a | b | c | d | e | holes | aperture(Φ) |
| EI- 28 | 28 | 4 | 6 | 8 | 17 | ||
| EI-35 | 35 | 5 | 7.5 | 10 | 19.5 | ||
| EI-41 | 41 | 6 | 8 | 13 | 21 | ||
| EI-42 | 42 | 7 | 7 | 7 | 14 | ||
| EI-48 | 48 | 8 | 8 | 16 | 24 | ||
| EI-50 | 50 | 8 | 9 | 16 | 25.5 | ||
| EI-57 | 57 | 9.5 | 9.5 | 19 | 28.5 | 4 | 4 |
| EI-60 | 60 | 10 | 10 | 20 | 30 | 4 | 5 |
| EI-66 | 66 | 11 | 11 | 22 | 33 | 4 | 4 |
| EI-76.2 | 76.2 | 12.7 | 12.7 | 25.4 | 38.1 | 4 | 5 |
| EI-78 | 78 | 13 | 13 | 26 | 39 | 4 | 5 |
| EI-84 | 84 | 14 | 14 | 28 | 41 | 4 | 6 |
| EI-85.8 | 85.8 | 14.3 | 14.3 | 28.6 | 42.9 | 4 | 5 |
| EI-96 | 96 | 16 | 16 | 32 | 48 | 4 | 6 |
| EI-105 | 105 | 17.5 | 17.5 | 35 | 52.5 | 4 | 6 |
| EI-108 | 108 | 18 | 18 | 36 | 54 | 4 | 5.5 |
| EI-114 | 114 | 19 | 19 | 38 | 57 | 4 | 7 |
| EI-120 | 120 | 20 | 20 | 40 | 60 | 4 | 7 |
| EI-133.2 | 133.2 | 22.2 | 22.2 | 44.4 | 66.6 | 4 | 7 |
| EI-150 | 150 | 25 | 25 | 50 | 75 | 4 | 8 |
| EI-152.4 | 152.4 | 25.4 | 25.4 | 50.8 | 76.2 | 4 | 8 |
| EI-162 | 162 | 27 | 27 | 54 | 81 | 4 | 10 |
| EI-168 | 168 | 28 | 28 | 50 | 84 | 4 | 10 |
| EI-171 | 171 | 28.5 | 28.5 | 57 | 85.5 | 4 | 10 |
| EI-180 | 180 | 30 | 30 | 60 | 90 | 4 | 10 |
| EI-192 | 192 | 32 | 32 | 64 | 96 | 4 | 10 |
| EI-270 | 270 | 45 | 45 | 90 | 135 | 4 | 12 |
| EI-228 | 228 | 38 | 38 | 76 | 114 | 4 | 10 |
| EI-300 | 300 | 50 | 50 | 100 | 150 | 4 | 12 |
| EI-360 | 360 | 60 | 60 | 120 | 180 | 4 | 12 |
Our company has introduced a dozen of fully automatic high-speed precision punching presses and a hundred of other punching presses. The floor
area of the company is nearly 15,000 square meters. There are about 30 quality monitoring people among 200 employees. Over the past years, we
have insisted on the policy of "customer satisfaction" and constantly strived for improvement. Guided by the principle of "quality first", we attach great
importance to procedures and results. 
1, Advantage: Directly manufacturing factory with competitive price and quality control, we check all material when we start to bulk productions.
2, Professional advice to help you purchase the products you wanted
3, Professional export service team servers in the deal.
4, Customization service is available, OEM business is appreciated.
5, We will inspect and test all products material carefully to ensure no damage and lost.
6, The success of our cooperation can be guaranteed for our company is a credible and honest partner.
1. Q: Can I get some samples?
A:Yes,sample order is available for quality check and market test.
2. Q: What's the delivery time?
A: Sample order needs 1-2 days. Formal order needs 7-12 days.
3. Q: What's your payment terms?
A: TT, LC, and DP.
4. Q: Do you have the prodcts in stock?
A:Yes,we will keep some general ones in stock.
5.Q: Can I mix different models in one container?
A: Yes, different models can be mixed up.
6.Q:Will you deliver the right products as I ordered? How can I trust you?
A: Sure,we could accept trade assurance on Made-in-China, which will protect buyer's order.